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    Two sample t-test between percents in Python?

    Hi guys, I have a bunch of data in the following format (sorry, it does not format well on here): Key Indicator-----------First Group------------Second Group ------------------Observations---Mean-----Observations----Mean 1 Grade change...
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    Which correlation test when researching the effect of previous success on change?

    Hi everyone, I'm doing research on business owners, who have started multiple businesses. I had a sample of 2500 businesses and looked at the business owners' success rate from their first to last business. That gave me two groups: 1) business owners who were SUCCESFUL in their first business...